[INFO] fetching crate knockknock 1.0.2...
[INFO] testing knockknock-1.0.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate knockknock 1.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate knockknock 1.0.2
[INFO] finished tweaking crates.io crate knockknock 1.0.2
[INFO] tweaked toml for crates.io crate knockknock 1.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate knockknock 1.0.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate knockknock 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 408a2be5eb0882c441cf1a5c944ddb25767cd5532c0d9ba1560908b5c8ae077e
[INFO] running `Command { std: "docker" "start" "-a" "408a2be5eb0882c441cf1a5c944ddb25767cd5532c0d9ba1560908b5c8ae077e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "408a2be5eb0882c441cf1a5c944ddb25767cd5532c0d9ba1560908b5c8ae077e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408a2be5eb0882c441cf1a5c944ddb25767cd5532c0d9ba1560908b5c8ae077e", kill_on_drop: false }`
[INFO] [stdout] 408a2be5eb0882c441cf1a5c944ddb25767cd5532c0d9ba1560908b5c8ae077e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0f74e72419c264fed41156b42dabfff6514bb9e288caa4bf8ca628b37447cf
[INFO] running `Command { std: "docker" "start" "-a" "cd0f74e72419c264fed41156b42dabfff6514bb9e288caa4bf8ca628b37447cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling os_str_bytes v4.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling zpinger v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.5
[INFO] [stderr] error: could not compile `clap` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name clap --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-3.0.0-beta.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="atty"' --cfg 'feature="cargo"' --cfg 'feature="clap_derive"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="env"' --cfg 'feature="lazy_static"' --cfg 'feature="std"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="termcolor"' --cfg 'feature="unicase"' --cfg 'feature="unicode"' --cfg 'feature="yaml"' --cfg 'feature="yaml-rust"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("atty", "backtrace", "cargo", "clap_derive", "color", "debug", "default", "derive", "env", "lazy_static", "regex", "std", "strsim", "suggestions", "termcolor", "terminal_size", "unicase", "unicode", "unstable-multicall", "unstable-replace", "wrap_help", "yaml", "yaml-rust"))' -C metadata=9db17f1019df8634 -C extra-filename=-922755837b489cb3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atty=/opt/rustwide/target/debug/deps/libatty-6f55ee2a42c968cc.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e2b4db6c651223da.rmeta --extern clap_derive=/opt/rustwide/target/debug/deps/libclap_derive-1bb38dff631189e9.so --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-f5a8efeb80a30bc5.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-2bb390fee0230a38.rmeta --extern os_str_bytes=/opt/rustwide/target/debug/deps/libos_str_bytes-ce739d2f02a16dd4.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-d620f0ade87b0f1f.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-3421dff75a1a6c35.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-c405e6267895e6f1.rmeta --extern unicase=/opt/rustwide/target/debug/deps/libunicase-022f069330129096.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-f3c70d80a6ea7a57.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "cd0f74e72419c264fed41156b42dabfff6514bb9e288caa4bf8ca628b37447cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0f74e72419c264fed41156b42dabfff6514bb9e288caa4bf8ca628b37447cf", kill_on_drop: false }`
[INFO] [stdout] cd0f74e72419c264fed41156b42dabfff6514bb9e288caa4bf8ca628b37447cf